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Water-based high-temperature-resistant oxidation-resistant inorganic paint and preparation method thereof

An inorganic coating and high-temperature-resistant technology, which is applied in the field of water-based high-temperature-resistant and anti-oxidation inorganic coatings and its preparation, can solve the problems of low anti-oxidation temperature, lack of universal applicability, and high cost of coatings, and achieve no pollution to the environment, preparation and coating process Simple and convenient, the effect of less consumption

Inactive Publication Date: 2011-09-07
上海胜星树脂涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are limitations in the development and use of this kind of anti-oxidant coating. One is that the anti-oxidation temperature of the coating is too low, about 1000°C. special steel, etc.), the cost of coating is too high, and there is no universal applicability

Method used

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  • Water-based high-temperature-resistant oxidation-resistant inorganic paint and preparation method thereof
  • Water-based high-temperature-resistant oxidation-resistant inorganic paint and preparation method thereof
  • Water-based high-temperature-resistant oxidation-resistant inorganic paint and preparation method thereof

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Embodiment 1

[0033] Embodiment 1: The coating of the present invention is composed of the following components by weight ratio: 15 parts of water-based inorganic aluminum sol resin, 10 parts of alumina, 25 parts of bauxite, 15 parts of kaolin, 2 parts of silicon-acrylic emulsion, 32 parts of deionized water , 1 part of inorganic bentonite.

[0034] The preparation method is as follows: add 32 parts of deionized water, 15 parts of water-based inorganic aluminum sol resin, 10 parts of alumina, 25 parts of bauxite, and 15 parts of kaolin into a mixing pot in sequence, and stir at high speed for 30 minutes to obtain a mixture; Put the good mixture into a grinder for grinding. The fineness of the ground mixture is less than 50 microns, and then put it into the reaction kettle, slowly add 2 parts of silicon acrylic emulsion dropwise under low-speed dispersion, and control the temperature at 75°C. Keep warm for 2.5 hours, lower the temperature, add 1 part of inorganic bentonite at a low speed and...

Embodiment 2

[0036] Embodiment 2: The coating of the present invention is composed of the following components by weight ratio: 20 parts of water-based inorganic aluminum sol resin, 10 parts of alumina, 23 parts of bauxite, 8 parts of kaolin, 2 parts of styrene-acrylic emulsion, 35 parts of deionized water , 2 parts of hydroxypropyl methylcellulose.

[0037] The preparation method is as follows: add 35 parts of deionized water, 20 parts of water-based inorganic aluminum sol resin, 10 parts of alumina, 23 parts of bauxite, and 8 parts of kaolin into a mixing pot in sequence, and stir at high speed for 45 minutes to obtain a mixture; Put the good mixture into the grinder for grinding, the fineness of the ground mixture is less than 50 microns, then put it into the reaction kettle, slowly add 2 parts of styrene-acrylic emulsion dropwise under low-speed dispersion, the temperature is controlled at 60°C, after the dropwise addition is completed Keep warm for 3 hours, lower the temperature, add ...

Embodiment 3

[0039] Embodiment three: the coating of the present invention is made up of the following components by weight ratio: 30 parts of water-based inorganic aluminum sol resins, 15 parts of alumina, 15 parts of bauxite, 12 parts of kaolin, 10 parts of acetic acid tertiary carbonate emulsion, deionized water 15 parts, 3 parts sodium alginate.

[0040] The preparation method is as follows: add 15 parts of deionized water, 30 parts of water-based inorganic aluminum sol resin, 15 parts of alumina, 15 parts of bauxite, and 12 parts of kaolin into a mixing pot in sequence, and stir at high speed for 50 minutes to obtain a mixture; Put the good mixture into the grinder for grinding, the fineness of the ground mixture is less than 50 microns, then put it into the reaction kettle, slowly add 10 parts of acetic acid tertiary carbonate emulsion dropwise under low speed dispersion, control the temperature at 80°C, add dropwise After completion, keep warm for 2.75 hours, lower the temperature, ...

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Abstract

The invention relates to a water-based high-temperature-resistant oxidation-resistant inorganic paint and a preparation method thereof. The paint provided by the invention is mainly prepared from the following components in parts by weight: 15-35 parts of water-based inorganic aluminasol resin, 5-15 parts of aluminum oxide, 10-35 parts of alumina, 5-15 parts of kaolin, 0.5-10 parts of organic synthetic emulsion, 10-35 parts of deionized water and 0.5-3 parts of viscosity stabilizer. The organic synthetic emulsion is one of silicone-acrylate emulsion, acetic acid-versatate emulsion, pure acrylic emulsion, styrene-acrylic emulsion and vinyl acetate / acrylic emulsion. The invention has the advantages of high temperature resistance, high peeling tendency by quenching, high safety and environmental protection, is widely applicable to various steel grades, and is convenient to use.

Description

technical field [0001] The invention relates to a water-based high-temperature-resistant and anti-oxidation inorganic paint capable of preventing decarburization and anti-oxidation of steel slabs and a preparation method thereof, which is used for coating protection on the surface of steel slabs. Background technique [0002] Surface oxidation of steel materials will occur in high-temperature oxidizing atmospheres. Oxidation not only causes steel loss, but also leads to the depletion of alloy elements in steel, which affects the quality and mechanical properties of steel products. As we all know, before rolling, the steel billet generally needs to be heated or soaked in a heating furnace with a certain temperature and an oxidizing atmosphere. Since the billet is heated in the heating furnace for a long time, the surface of the billet undergoes a strong oxidation reaction with the oxygen in the atmosphere at high temperature to form a large amount of oxide scale, which signif...

Claims

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Application Information

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IPC IPC(8): C04B26/02
Inventor 王琪生顾根福芮龚
Owner 上海胜星树脂涂料有限公司
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